Works conveniently inside your sequencer and Audio Unit Instrument hosts so you can focus on making electronic music without app switching and screen juggling like before.

*IMPORTANT* Audio Units are plug-ins that need a compatible host app to work. Ruismaker FM has been tested to work beautifully with Steinberg Cubasis, Apple Garageband, Modstep and AUM.

- Audio Unit Instrument (AUv3): making music on iOS doesn't get more convenient.
- Use Ruismaker FM's flexible FM synth engine to create thousands of sounds.
- Comes with loads of factory preset sounds as examples.
- Does not use any samples; all sounds are synthesized in realtime, on the fly.
- Light on the CPU, so you can run lots of instances simultaneously.
- Has an extra compact 4" UI mode; especially for iPhone SE and iPhone 5S.
- Fully automatable parameters (requires host support).
- Fully MIDI controllable using MIDI CC.
- Download the advanced guide on ruismaker.com for more details about parameter automation, available instruments and MIDI implementation.